51005

The QTR-1A reflectance sensor carries a single infrared LED and phototransistor pair in an inexpensive, tiny 0.5" x 0.3" module that can be mounted almost anywhere and is great for edge detection and line following applications. This sensor is sold in packs of two units.

$4.25USD

50575

50577

17700

This 5mm Water-clear Phototransistor will pick up visible and infrared light and conduct current. When light reaches this high sensitive/fast response time component it's much like current reaching the base of a transistor which allows current to flow from collector to emitter.

$0.45USD

60530

Unsure of how to interface RGB strips to your own microcontroller? Why not go with this ready-to-go remote controlled LED controller! Comes with a small remote that allows you to use wireless infrared signals to change the RGB strip color and lighting effects.